Parametrizations of Positive Matrices With Applications
classification
🪐 quant-ph
keywords
applicationsmatricesparametrizationspositiveusefulapplicationarguedblock-toeplitz
read the original abstract
This paper reviews some characterizations of positive matrices and discusses which lead to useful parametrizations. It is argued that one of them, which we dub the Schur-Constantinescu parametrization is particularly useful. Two new applications of it are given. One shows all block-Toeplitz states are PPT. The other application is to relaxation rates.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.